condition	mean	min	max
4 h after light	20.777050000000003	19.6354	21.9187
8 h after light	22.1171	22.0401	22.1941
12 h after light	24.6682	22.0138	27.3226
4 h after dark	31.42205	27.9951	34.849
8 h after dark	31.9527	31.1053	32.8001
12 h after dark	30.23995	29.3242	31.1557